He was canned as a prospective RAF pilot for dangerous and incompetent flying. He quit work with Colin Chapman on a gearbox design by stating: "I'm not prepared to waste my life developing something that will never work." And he designed the most important engine in Formula One history, the Cosworth DFV. But Keith Duckworth, who died last week at the age of 72, was more than just a gifted engineer. Author Doug Nye pays tribute to a true legend

Keith Duckworth understood motor racing and engineering in a way very few people do. His talent is evident in the records of the Cosworth DFV engine he designed; his wisdom was clear to anyone who heard him talk. In 1998, while researching for his book "Lotus 49", Michael Oliver interviewed Duckworth extensively and he now brings the words of the great man

Next year's cars will see new engines reduced by a pair of cylinders to make 2.4l V8 motor units, and the Grand Prix weekends will feature a new qualifying format as well as a return of tyre changes during the race. Craig Scarborough talked to Honda Racing's technical director Geoff Willis about these changes and the team's preparations for 2006